A large tuning fork has a lower or higher frequency than a small tuning fork?
1 answer:
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Answer:
84.82N/C.
Explanation:
The x-components of the electric field cancel; therefore, we only care about the y-components.
The y-component of the differential electric field at the center is
.
Now, let us call the charge per unit length, then we know that
;
therefore,
Integrating
Now, we know that
and the radius of the semicircle is
therefore,
